code: def set_font_settings_for_testing():
      mpl.rcParams["font.family"] = "DejaVu Sans"
      mpl.rcParams["text.hinting"] = False
      mpl.rcParams["text.hinting_factor"] = 8
  
file_path: catboost/contrib/python/matplotlib/py2/matplotlib/testing/__init__.py
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import functools
  import warnings
  import matplotlib
  from matplotlib import cbook
label_desc: Use image node_id 3 for calling a global function with example usage: set_font_settings_for_testing() without return types